org.ansj.app.crf

Class Model

java.lang.Object

org.ansj.app.crf.Model

Direct Known Subclasses:

CRFModel, CRFppTxtModel, WapitiCRFModel

public abstract class Model
extends Object

Field Summary

Fields

Modifier and Type	Field and Description
int	allFeatureCount
protected Config	config
protected org.nlpcn.commons.lang.tire.domain.SmartForest<float[]>	featureTree
static org.nlpcn.commons.lang.util.logging.Log	logger
protected float[][]	status

Constructor Summary

Constructors

Constructor and Description
Model()

Method Summary

Modifier and Type	Method and Description
abstract boolean	checkModel(String modelPath) 判断当前数据流是否是本实例
Config	getConfig()
float[]	getFeature(char... chars) 获得特征所在权重数组
static Model	load(Class<? extends Model> c, InputStream is) 模型读取
static Model	load(String modelPath) 模型读取
abstract Model	loadModel(InputStream is)
abstract Model	loadModel(String modelPath) 不同的模型实现自己的加载模型类
protected static void	printFeatureTree(String cs, float[] tempW) 增加特征到特征数中
float	tagRate(int s1, int s2) tag转移率
void	writeModel(String path) 将model序列化到硬盘

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

logger

public static final org.nlpcn.commons.lang.util.logging.Log logger

config

protected Config config

featureTree

protected org.nlpcn.commons.lang.tire.domain.SmartForest<float[]> featureTree

status

protected float[][] status

allFeatureCount

public int allFeatureCount

Constructor Detail

Model

public Model()

Method Detail

checkModel

public abstract boolean checkModel(String modelPath)
                            throws IOException

判断当前数据流是否是本实例

Parameters:

is -

Returns:

Throws:

IOException

load

public static Model load(String modelPath)
                  throws Exception

模型读取

Parameters:

path -

Returns:

Throws:

Exception

load

public static Model load(Class<? extends Model> c,
                         InputStream is)
                  throws Exception

模型读取

Parameters:

path -

Returns:

Throws:

Exception

loadModel

public abstract Model loadModel(String modelPath)
                         throws Exception

不同的模型实现自己的加载模型类

Throws:

Exception

loadModel

public abstract Model loadModel(InputStream is)
                         throws Exception

Throws:

Exception

getFeature

public float[] getFeature(char... chars)

获得特征所在权重数组

Parameters:

featureStr -

Returns:

getConfig

public Config getConfig()

tagRate

public float tagRate(int s1,
                     int s2)

tag转移率

Parameters:

s1 -

s2 -

Returns:

printFeatureTree

protected static void printFeatureTree(String cs,
                                       float[] tempW)

增加特征到特征数中

Parameters:

cs -

tempW -

writeModel

public void writeModel(String path)

将model序列化到硬盘

Parameters:

path -

Throws:

IOException

FileNotFoundException